Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933144AbWKMXLm (ORCPT ); Mon, 13 Nov 2006 18:11:42 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S933118AbWKMXLm (ORCPT ); Mon, 13 Nov 2006 18:11:42 -0500 Received: from ogre.sisk.pl ([217.79.144.158]:8920 "EHLO ogre.sisk.pl") by vger.kernel.org with ESMTP id S933144AbWKMXLk (ORCPT ); Mon, 13 Nov 2006 18:11:40 -0500 From: "Rafael J. Wysocki" To: "Christian Hoffmann" Subject: Re: Fwd: [Suspend-devel] resume not working on acer ferrari 4005 with radeonfb enabled Date: Tue, 14 Nov 2006 00:08:54 +0100 User-Agent: KMail/1.9.1 Cc: "Pavel Machek" , "Benjamin Herrenschmidt" , "Andrew Morton" , "Solomon Peachy" , linux-fbdev-devel@lists.sourceforge.net, "LKML" References: In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200611140008.55059.rjw@sisk.pl> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 3350 Lines: 88 On Monday, 13 November 2006 23:08, Christian Hoffmann wrote: > > > -----Original Message----- > > From: Rafael J. Wysocki [mailto:rjw@sisk.pl] > > Sent: Monday, November 13, 2006 3:06 PM > > To: Christian Hoffmann > > Cc: Pavel Machek; Benjamin Herrenschmidt; Andrew Morton; > > Solomon Peachy; linux-fbdev-devel@lists.sourceforge.net; LKML > > Subject: Re: Fwd: [Suspend-devel] resume not working on acer > > ferrari 4005 with radeonfb enabled > > > > On Monday, 13 November 2006 11:51, Christian Hoffmann wrote: > > > > > > > -----Original Message----- > > > > From: Pavel Machek [mailto:pavel@ucw.cz] > > > > Sent: Sunday, November 12, 2006 1:14 PM > > > > To: Benjamin Herrenschmidt > > > > Cc: Christian Hoffmann; Andrew Morton; Solomon Peachy; Rafael J. > > > > Wysocki; linux-fbdev-devel@lists.sourceforge.net; LKML; > > > > Christian@ogre.sisk.pl; Hoffmann@albercik.sisk.pl > > > > Subject: Re: Fwd: [Suspend-devel] resume not working on > > acer ferrari > > > > 4005 with radeonfb enabled > > > > > > > > Hi! > > > > > > > > > > Then the radeonfb doesn't kick in at all (guess some > > pci ids are > > > > > > added in that patch). > > > > > > > > > > > > BTW: resume/suspend works ok if I have the vesa fb enabled. > > > > > > > > > > In that case (vesafb), when does the screen come back > > > > precisely ? Do > > > > > you get console mode back and then X ? Or it only comes > > back when > > > > > going back to X ? Do you have some userland-type vbetool > > > > thingy that > > > > > bring it back ? > > > > > > > > He's using s3_bios+s3_mode, so kernel does some BIOS > > calls to reinit > > > > the video. It should come out in text mode, too. > > > > > > > > Christian, can you unload radeonfb before suspend/reload it after > > > > resume? > > > > > > Will it work if radeonfb is compiled as module? I think I > > had problems > > > with that, but I'll try again. > > > > > > > > > > > Next possibility is setting up serial console and adding some > > > > printks to radeon... > > > > > > Unfortunatly, the laptop doesn't have serial port. I tried to get a > > > USB device (pocketpc) read the USB serial, but I only partially > > > succeeded. I can pass console=ttyUSB0 to the kernel and > > load the ipaq > > > serial console driver as it oopses. I am able to echo strings to > > > /dev/ttyUSB0 and read them on the ipaq, but I am not able to > > > "deviate" the kernel messages to that port. Any hints on how to do > > > that would be very appreciated, I didn't find anything > > usefull on the > > > web. (I tried with setconsole /dev/ttyUSB0 but it gives error msg > > > about device busy or something) > > > > Would it be practicable to use netconsole on your box? If > > so, it should work. > > > I tried netconsole, and it somehow works, but when suspending it says in > an "infinite" loop: > > unregister_netdevice: waiting for eth2 to become free. Usage count = 1 Hm. Is your kernel compiled with CONFIG_DISABLE_CONSOLE_SUSPEND set? Rafael -- You never change things by fighting the existing reality. R. Buckminster Fuller - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/